METHOD FOR SHARING GROUP NAVIGATION INFORMATION AND APPARATUS USING THE SAME
CONSTANT VELOCITY JOINT ASSEMBLY FOR MOTOR VEHICLE WITH IMPROVED DAMPING
SYSTEM FOR AUTOMATICALLY TRACKING MOVING TARGET AND THE METHOD THEREOF
H Apparatus and Method for removing H-beam structure that supports the curved block
AUTONOMOUS UNMANNED AERIAL VEHICLE AND CONTROL METHOD IN THE SAME
DISPLACEMENT SENSING DEVICE OF STROKE AND SWITCH FOR BRAKE PEDAL OF VEHICLE
A indication system of direction to guide the riding direction of a bicycle without manipulation
AUTONOMOUS UNMANNED AERIAL VEHICLE AND CONTROL METHOD THEREFOR